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Answers and rating deltas for

performance of union versus union all

Author Votes Δ
Joe Stefanelli 11 +1.17
Michael Pakhantsov 4 +0.14
Vijjendra 2 +0.09
Philip Kelley 1 -0.84
Mike Ritacco 0 -3.87
Last visited: Sep 14, 2014, 5:07:29 AM